Hand operated ink stamp



FIG. 1 is a front elevational view of a hand operated ink stamp showing my new design;

FIG. 2 is a right side view thereof, the left side view being identical to the right side view;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a hand-operated ink stamp, substantially as shown. 